Definition and Usage
定义与用法

The split() method is used to split a string into an array of strings.
split()方法用于将一个字符串分解成一个数组对象。

Syntax
语法

stringObject.split(separator, howmany)

Tips and Notes
注意

Note: If an empty string ("") is used as the separator, the string is split between each character.
注意：如果用空字符（""）作为分隔符号，字符串将被分解成每个所包含的字符所组成的数组。

Example
实例

In this example we will split up a string in different ways:
在本例中，我们将用两种不同的方法分解一个字符串：

<script type="text/javascript">

var str="How are you doing today?"

document.write(str.split(" ") + "<br />")
document.write(str.split("") + "<br />")
document.write(str.split(" ",3))

</script>

The output of the code above will be:
输出结果为：

How,are,you,doing,today?
H,o,w, ,a,r,e, ,y,o,u, ,d,o,i,n,g, ,t,o,d,a,y,?
How,are,you

Try-It-Yourself Demos
互动演练

split()
How to use split() to split up a string.
如何用split()来分解一个字符串

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